feat: add label feature (#955)

Co-authored-by: 刘建辉 <liujianhui@gongchang.com>

src/Types/Chat.ts

@@ -1,6 +1,7 @@
 import type { proto } from '../../WAProto'
 import type { AccountSettings } from './Auth'
 import type { BufferedEventData } from './Events'
+import type { LabelActionBody } from './Label'
 import type { ChatLabelAssociationActionBody } from './LabelAssociation'
 import type { MessageLabelAssociationActionBody } from './LabelAssociation'
 import type { MinimalMessage } from './Message'
@@ -90,6 +91,8 @@ export type ChatModification =
         lastMessages: LastMessageList
     }
     | { delete: true, lastMessages: LastMessageList }
+    // Label
+    | { addLabel: LabelActionBody }
     // Label assosiation
     | { addChatLabel: ChatLabelAssociationActionBody }
     | { removeChatLabel: ChatLabelAssociationActionBody }

src/Types/Label.ts

@@ -11,6 +11,18 @@ export interface Label {
     predefinedId?: string
 }
 
+export interface LabelActionBody {
+    id: string
+    /** Label name */
+    name?: string
+    /** Label color ID */
+    color?: number
+    /** Is label has been deleted */
+    deleted?: boolean
+    /** WhatsApp has 5 predefined labels (New customer, New order & etc) */
+    predefinedId?: number
+}
+
 /** WhatsApp has 20 predefined colors */
 export enum LabelColor {
     Color1 = 0,